Home / 22,810.30-34,215.45-20,513.95

Finding the Fourth Proportional to 22,810.30, 34,215.45 and 20,513.95

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Solution

The fourth proportional to 22,810.30, 34,215.45 and 20,513.95 is: 30,770.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,810.30 : 34,215.45 = 20,513.95 : x
  2. Step 2: Convert to fraction form
    22,810.30/34,215.45 = 20,513.95/x
  3. Step 3: Cross multiply
    22,810.30x = 34,215.45 × 20,513.95
  4. Step 4: Simplify right side
    22,810.30x = 701,894,030.53
  5. Step 5: Solve for x
    x = 701,894,030.53/22,810.30
  6. Step 6: Final answer
    x = 30,770.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.